android-cursor

I know this question has asked many times in SO,but i couldn't figure out my exact problem. I am using the following code to get the data from the database(Table1) and update another Table2 based on retrieval value. Its working fine in some android versions but when i gone to test with Android 4.0.3. I am geting this java.lang.IllegalStateException:?.attempt to re-open an already-closed object at sum_cursor.moveToNext(); . I am using this code in AsyncTask. /** Sum of total matched values*/ Cursor sum_cursor = db.gettotalMatchvalue(this); if(sum_cursor!=null) { sum_cursor.moveToFirst(); for

I make an application for android and I'm using CursorTreeAdapter as ExpandableListView. Now I want to use search box for display the filtered ExpandableListView items. Like this: Here's the code what I've so far: MainActivity.java : package com.example.cursortreeadaptersearch; import java.util.HashMap; import android.app.SearchManager; import android.content.Context; import android.database.ContentObserver; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.provider.ContactsContract; import android.support.v4.app

I created a service which syncs data from the web on a background thread and want to notify a list activity when the service has completed so it can update it's cursor? What would be the best way to do this? I'm thinking of sending a broadcast when the service is done but not sure if that's the best way to do it. I need to requery the cursor when the service has finished so I'm not sure if that will work well with broadcast receivers? I haven't done alot of android in awhile so thanks in advance. Use a Handler in your service that registers a client when your ListActivity connects to the

I'd like to get the list of songs of an album by querying the MediaStore with CursorLoader How can i do this ? I can get all the songs of the device with this code : static final String[] TRACK_SUMMARY_PROJECTION = { MediaStore.Audio.Media._ID, MediaStore.Audio.Media.TITLE}; public Loader<Cursor> onCreateLoader(int id, Bundle args) { String sortOrder = MediaStore.Audio.Media.TITLE + " ASC"; String select = null; return new CursorLoader(getActivity(), MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, TRACK_SUMMARY_PROJECTION, select, null, sortOrder); } What should I add to the code or modification

! Database consists of multiple tables and multiple columns as shown & i have pasted this law.sqlite in assets folder. Database consists of multiple tables and multiple columns as shown & i have pasted this law.sqlite in assets folder. Suppose i want to access all the elements of column AS_name as shown . So how should i code for it? Try this: Cursor cursor = db.rawQuery("SELECT DISTINCT AS_name FROM Articles",null); // If you want in order then add "ORDER BY AS_name AESC" in sql query. cursor.moveToFirst(); while(cursor.moveToNext()) { // do Something } Vivek Warde I tried and now the problem

I have 2 different sets of data, each of them use its own ContentProvider . Querying to them I can get 2 different cursors. Those 2 cursors has 2 different primary keys, but there's one and the same field ( DATE ) which I can use for ordering (other fields are different). My goal is to have one final merged Cursor which will be sorted by those DATE field. I have investigated MergeCursor but it doesn't fit to me, since it returns merged/concatenated (but not sorted Cursor ). Any ideas, clues? You can try this class from AOSP repository: https://android.googlesource.com/platform/frameworks/base

In my application I created the GridView to show the image from particular folder. The issue is that I want to retrieve images from the DCIM/100ANDRO folder. Which type of arguments should be passed through query to retrieve such type of images? Please provide me solution. I am using following code to retrieve which gives me images captured by camera //importing only camera images and storing in ArrayList of class Images type String[] projection = { MediaStore.Images.Media._ID, MediaStore.Images.Media.BUCKET_DISPLAY_NAME, MediaStore.Images.Media.DISPLAY_NAME }; String selection = MediaStore